Name Carboxyethylgermanium sesquioxide Synonyms Bis(carboxyethylgermanium sesquioxide); 3,3'-(1,3-Dioxo-1,3-digermoxanediyl)dipropionic acid; Germanium sesquioxide Ge-132 Molecular Formula C6H10Ge2O7 Molecular Weight 339.38 CAS Registry Number 12758-40-6 EINECS 235-800-0 Germanium sesquioxide helps support the bodys natural immune defenses. Germanium helps maintain the bodys natural production of gamma interferon and natural killer cells. Studies indicate that Germanium exhibits antioxidant potential. Depending on the targeted benefit, reported therapeutic dosages of Germanium sesquioxide range from 100 mg to 7 grams daily. Reportedly, oral administration appears to provide the best protection. Germanium sesquioxide is light and temperature stable. No degradation has ever been reported in liquid or solid form. Germanium sesquioxide is a dietary supplement under provisions of U.S. Dietary Supplement Health and Education Act of 1994 (DSHEA).